[api] emit a start an an end event

Author: jcrugzz

lib/http-proxy/passes/web-incoming.js

@@ -90,6 +90,13 @@ web_o = Object.keys(web_o).map(function(pass) {
    */
 
   function stream(req, res, options, _, server, clb) {
+
+    //
+    // And we begin!
+    //
+    if (!clb) {
+      server.emit('start', req, res, options.target)
+    }
     if(options.forward) {
       // If forward enable, so just pipe the request
       var forwardReq = (options.forward.protocol === 'https:' ? https : http).request(
@@ -122,6 +129,15 @@ web_o = Object.keys(web_o).map(function(pass) {
        if(web_o[i](req, res, proxyRes)) { break; }
       }
 
+      //
+      // Allow us to listen when the proxy has completed
+      //
+      proxyRes.on('end', function () {
+        if (!clb) {
+          server.emit('end', req, res, proxyRes);
+        }
+      })
+
       proxyRes.pipe(res);
     });